The plurality of inserts are removable and interchangeable with other inserts, and at least one of the inserts has a weigh that is greater than at least another one of the inserts.

The inserts are further replaceable with other inserts and each of the inserts may be configured to secure or store different items.

The restraining member prevents upward movement of the insert portions and stretches to accommodate insert portions having various dimensions.

Blocks and inserts made from such compositions, as well as methods of manufacturing such inserts, are also disclosed.

The inserts define a stitch forming surface.

The inserts comprise at least two insulating members.

A plurality of rotor inserts may contain free- wheeling permanent magnet inserts spaced along an outer periphery of the rotor.

Stator inserts containing free-wheeling permanent magnet inserts are distributed around a rotor inserted into the support structure opening.

This simplifies the making of the insert pockets quite considerably.

Inserts (20) are placed within at least some of the openings.

The ski carrier inserts are of a modular construction.

Reinforcing steel insertions for iron castings are covered with a layer of steel.

A slip for support of a downhole tool is cast with inserts positioned in the mold.

In general, the heat shields are separately produced attachment parts.

A plurality of cutting inserts (16) are placed in the slots.